package com.lyl.mysqlmonitor.statement;

import com.lyl.mysqlmonitor.SqlAnalyzer;

import java.sql.*;
import java.util.ArrayList;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 监控Statement类
 * 代理真实的Statement，拦截execute/executeQuery方法
 */
public class MonitorStatement implements Statement {

    private static final Logger LOGGER = LoggerFactory.getLogger(MonitorStatement.class);
    private final Statement realStatement;
    private final List<Object> parameters;

    public MonitorStatement(Statement realStatement) {
        this.realStatement = realStatement;
        this.parameters = new ArrayList<>();
        LOGGER.debug("创建 MonitorStatement");
    }

    @Override
    public ResultSet executeQuery(String sql) throws SQLException {
        // 分析SQL
        LOGGER.debug("执行查询: {}", sql);
        SqlAnalyzer.analyze(sql, realStatement.getConnection());
        // 执行实际查询
        return realStatement.executeQuery(sql);
    }

    @Override
    public int executeUpdate(String sql) throws SQLException {
        return realStatement.executeUpdate(sql);
    }

    @Override
    public void close() throws SQLException {
        realStatement.close();
    }

    @Override
    public int getMaxFieldSize() throws SQLException {
        return realStatement.getMaxFieldSize();
    }

    @Override
    public void setMaxFieldSize(int max) throws SQLException {
        realStatement.setMaxFieldSize(max);
    }

    @Override
    public int getMaxRows() throws SQLException {
        return realStatement.getMaxRows();
    }

    @Override
    public void setMaxRows(int max) throws SQLException {
        realStatement.setMaxRows(max);
    }

    @Override
    public void setEscapeProcessing(boolean enable) throws SQLException {
        realStatement.setEscapeProcessing(enable);
    }

    @Override
    public int getQueryTimeout() throws SQLException {
        return realStatement.getQueryTimeout();
    }

    @Override
    public void setQueryTimeout(int seconds) throws SQLException {
        realStatement.setQueryTimeout(seconds);
    }

    @Override
    public void cancel() throws SQLException {
        realStatement.cancel();
    }

    @Override
    public SQLWarning getWarnings() throws SQLException {
        return realStatement.getWarnings();
    }

    @Override
    public void clearWarnings() throws SQLException {
        realStatement.clearWarnings();
    }

    @Override
    public void setCursorName(String name) throws SQLException {
        realStatement.setCursorName(name);
    }

    @Override
    public boolean execute(String sql) throws SQLException {
        // 分析SQL
        LOGGER.debug("执行SQL: {}", sql);
        SqlAnalyzer.analyze(sql, realStatement.getConnection());
        // 执行实际SQL
        return realStatement.execute(sql);
    }

    @Override
    public ResultSet getResultSet() throws SQLException {
        return realStatement.getResultSet();
    }

    @Override
    public int getUpdateCount() throws SQLException {
        return realStatement.getUpdateCount();
    }

    @Override
    public boolean getMoreResults() throws SQLException {
        return realStatement.getMoreResults();
    }

    @Override
    public void setFetchDirection(int direction) throws SQLException {
        realStatement.setFetchDirection(direction);
    }

    @Override
    public int getFetchDirection() throws SQLException {
        return realStatement.getFetchDirection();
    }

    @Override
    public void setFetchSize(int rows) throws SQLException {
        realStatement.setFetchSize(rows);
    }

    @Override
    public int getFetchSize() throws SQLException {
        return realStatement.getFetchSize();
    }

    @Override
    public int getResultSetConcurrency() throws SQLException {
        return realStatement.getResultSetConcurrency();
    }

    @Override
    public int getResultSetType() throws SQLException {
        return realStatement.getResultSetType();
    }

    @Override
    public void addBatch(String sql) throws SQLException {
        realStatement.addBatch(sql);
    }

    @Override
    public void clearBatch() throws SQLException {
        realStatement.clearBatch();
    }

    @Override
    public int[] executeBatch() throws SQLException {
        return realStatement.executeBatch();
    }

    @Override
    public Connection getConnection() throws SQLException {
        return realStatement.getConnection();
    }

    @Override
    public boolean getMoreResults(int current) throws SQLException {
        return realStatement.getMoreResults(current);
    }

    @Override
    public ResultSet getGeneratedKeys() throws SQLException {
        return realStatement.getGeneratedKeys();
    }

    @Override
    public int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException {
        return realStatement.executeUpdate(sql, autoGeneratedKeys);
    }

    @Override
    public int executeUpdate(String sql, int[] columnIndexes) throws SQLException {
        return realStatement.executeUpdate(sql, columnIndexes);
    }

    @Override
    public int executeUpdate(String sql, String[] columnNames) throws SQLException {
        return realStatement.executeUpdate(sql, columnNames);
    }

    @Override
    public boolean execute(String sql, int autoGeneratedKeys) throws SQLException {
        // 分析SQL
        SqlAnalyzer.analyze(sql, realStatement.getConnection());
        // 执行实际SQL
        return realStatement.execute(sql, autoGeneratedKeys);
    }

    @Override
    public boolean execute(String sql, int[] columnIndexes) throws SQLException {
        // 分析SQL
        SqlAnalyzer.analyze(sql, realStatement.getConnection());
        // 执行实际SQL
        return realStatement.execute(sql, columnIndexes);
    }

    @Override
    public boolean execute(String sql, String[] columnNames) throws SQLException {
        // 分析SQL
        SqlAnalyzer.analyze(sql, realStatement.getConnection());
        // 执行实际SQL
        return realStatement.execute(sql, columnNames);
    }

    @Override
    public int getResultSetHoldability() throws SQLException {
        return realStatement.getResultSetHoldability();
    }

    @Override
    public boolean isClosed() throws SQLException {
        return realStatement.isClosed();
    }

    @Override
    public void setPoolable(boolean poolable) throws SQLException {
        realStatement.setPoolable(poolable);
    }

    @Override
    public boolean isPoolable() throws SQLException {
        return realStatement.isPoolable();
    }

    @Override
    public void closeOnCompletion() throws SQLException {
        realStatement.closeOnCompletion();
    }

    @Override
    public boolean isCloseOnCompletion() throws SQLException {
        return realStatement.isCloseOnCompletion();
    }

    @Override
    public <T> T unwrap(Class<T> iface) throws SQLException {
        return realStatement.unwrap(iface);
    }

    @Override
    public boolean isWrapperFor(Class<?> iface) throws SQLException {
        return realStatement.isWrapperFor(iface);
    }
}
